.xx "intro" "intro - miscellaneous information pages"
.xx "ascii" "ascii - octal, hexadecimal and decimal ASCII character sets"
.xx "environ" "environ - user environment"
.xx "eqnchar" "special character definitions for eqn"
.xx "groff_char" "groff character names"
.xx "hier" "hier - layout of filesystems"
.xx "hostname" "hostname - host name resolution description"
.xx "mailaddr" "mailaddr - mail addressing description"
.xx "man" "(deprecated) macros to typeset manual"
.xx "mdoc" "mdoc - quick reference guide for the \-mdoc macro package"
.xx "mdoc.samples" "mdoc.samples - tutorial sampler for writing  manuals with \-mdoc"
.xx "me" "macros for formatting papers"
.xx "mm" "groff mm macros"
.xx "ms" "text formatting macros"
.xx "operator" "operator - C operator precedence and order of evaluation"
.xx "re_format" "POSIX 1003.2 regular expressions"
.xx "symlink" "symlink - symbolic link handling"
.xx "term" "term - conventional names for terminals"
